<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>
    <script src="../js/jquery.min.js"></script>
</head>
<body>
    <script>
        //用法1
        let{age,name} = {name:"jack",age:20};
        console.log(name,age);
        //用法2
        let width = 600;
        let height = 800;
        let depth;
        console.log(width,height);
        
        let size ={
            width:200,
            height:300,
        };
        //代码块语句不允许出现在赋值语句左侧，需要加小括号变成表达式
        ({width,height} = size);
        console.log(width,height);
        //对象中不存在与变量同名的属性
        ({width,height,depth} = size);
        console.log(width,height,depth);
        //给解构的变量设置默认值
        ({width,height,depth = 400} = size);
        console.log(width,height,depth);

        //对象属性赋值给不同名变量
        let personName,pname,page;
        ({pname:personName,page} = {pname:"tom",page:20});
        console.log(personName,pname,page);


    </script>
</body>
</html>